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bff78650 BD |
1 | /* linux/arch/arm/plat-s3c/include/plat/hwmon.h |
2 | * | |
3 | * Copyright 2005 Simtec Electronics | |
4 | * Ben Dooks <ben@simtec.co.uk> | |
5 | * http://armlinux.simtec.co.uk/ | |
6 | * | |
7 | * S3C - HWMon interface for ADC | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #ifndef __ASM_ARCH_ADC_HWMON_H | |
15 | #define __ASM_ARCH_ADC_HWMON_H __FILE__ | |
16 | ||
17 | /** | |
18 | * s3c_hwmon_chcfg - channel configuration | |
19 | * @name: The name to give this channel. | |
20 | * @mult: Multiply the ADC value read by this. | |
21 | * @div: Divide the value from the ADC by this. | |
22 | * | |
23 | * The value read from the ADC is converted to a value that | |
24 | * hwmon expects (mV) by result = (value_read * @mult) / @div. | |
25 | */ | |
26 | struct s3c_hwmon_chcfg { | |
27 | const char *name; | |
28 | unsigned int mult; | |
29 | unsigned int div; | |
30 | }; | |
31 | ||
32 | /** | |
33 | * s3c_hwmon_pdata - HWMON platform data | |
34 | * @in: One configuration for each possible channel used. | |
35 | */ | |
36 | struct s3c_hwmon_pdata { | |
37 | struct s3c_hwmon_chcfg *in[8]; | |
38 | }; | |
39 | ||
6cd82ffe MC |
40 | /** |
41 | * s3c_hwmon_set_platdata - Set platform data for S3C HWMON device | |
42 | * @pd: Platform data to register to device. | |
43 | * | |
44 | * Register the given platform data for use with the S3C HWMON device. | |
45 | * The call will copy the platform data, so the board definitions can | |
46 | * make the structure itself __initdata. | |
47 | */ | |
48 | extern void __init s3c_hwmon_set_platdata(struct s3c_hwmon_pdata *pd); | |
49 | ||
bff78650 BD |
50 | #endif /* __ASM_ARCH_ADC_HWMON_H */ |
51 |